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Finding the Fourth Proportional to 152,636.40, 228,889.80 and 73,774.80

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Solution

The fourth proportional to 152,636.40, 228,889.80 and 73,774.80 is: 110,630.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,636.40 : 228,889.80 = 73,774.80 : x
  2. Step 2: Convert to fraction form
    152,636.40/228,889.80 = 73,774.80/x
  3. Step 3: Cross multiply
    152,636.40x = 228,889.80 × 73,774.80
  4. Step 4: Simplify right side
    152,636.40x = 16,886,299,217.04
  5. Step 5: Solve for x
    x = 16,886,299,217.04/152,636.40
  6. Step 6: Final answer
    x = 110,630.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.